source: trunk/examples/objects/app-fermi/c/ex2/fermi_io.c

#include "rappture.h"

void fermi_io() {

    Rp_Plot *p1 = NULL;
    Rp_Plot *p2 = NULL;

    // assume global interface variable.
    // newly created objects are stored in the
    // global interface variable. if there is more
    // than one global interface variable, the
    // interface that should be used is specified
    // using the Rp_???InitX version of the funtion
    // where ??? represents the type of object the
    // user is trying to create.

    // describe the inputs
    // declare a number named "temperature",
    // with units of Kelvin, default value 300,
    //
    // the next number is named "Ef", has units of
    // electron Volts, default value of -5.5
    //
    // Rp_Number is assumed to be an input
    Rp_NumberInit("temperature","K",300);
    Rp_NumberInit("Ef","eV",-5.5);

    // Most simple xy plots for output
    // Because it is a single plot, it gets it's own view.
    // The plot is placed in the position 1,1 of the view.
    p1 = Rp_PlotInit("fdfPlot");
    Rp_PlotXAxis(p1,"Fermi-Dirac Factor",
        "Plot of Fermi-Dirac Calculation");
    Rp_PlotYAxis(p1,"Energy","Energy cooresponding to each fdf");
    Rp_PlotYAxisHint(p1,"units","eV");

    // Declaring a second plot creates a new view.
    // The new plot will be placed in the position 1,1 of its view.
    // User can do simple plot grouping using the add function
    // in the science code.
    p2 = Rp_PlotInit("fdfPlot2");
    Rp_PlotXAxis(p2,"Fermi-Dirac Factor",
        "Plot of Fermi-Dirac Calculation");
    Rp_PlotYAxis(p2,"Energy","Energy cooresponding to each fdf");
    Rp_PlotYAxisHint(p2,"units","eV");
}